A suffix is a letter or group of letters placed at the end of a root word to form a derived word (a similar word with a different meaning).
Suffixes Used With the Simple Present
Add suffixes to verbs when conjugating them in the third person singular of the simple present.
Suffixes |
Used with |
In context |
-s |
he |
Carmen pets her goats everyday. |
-es |
She watches them on her security camera. |
|
-ies |
he |
Carmen cries when she watches animal documentaries. |
Suffixes Used With the Simple Past
Add -d,-ed or -ied to regular verbs when conjugating them in the simple past tense.
Suffixes |
Used with |
Examples |
-d |
verbs ending in -e |
Carmen liked her dinner. |
-ed |
regular verbs not ending in -e or -y |
She fainted when she saw the ghost. |
-ied |
verbs ending in -y by changing the last letter for an -i. |
She cried when she saw it. |
Suffixes Used With Participles
Add the following suffixes to regular verbs to create participles.
Suffixes |
Used with |
Examples |
-ed |
past participle |
All goats have been checked by the vet. |
-ing |
present participle |
She has been gardening a lot lately. |
Suffixes Used With Continuous Tenses
Add the following suffixes to verbs to create continuous tenses.
Suffixes |
Used with |
Examples |
-ing |
present continuous |
Carmen is training the goats. |
past continuous |
Carmen was eating dinner when she saw the ghost. |
Add -s or -es to nouns to form plural nouns.

Add the suffix -’s to nouns to show that something belongs to//is part of someone or something.
Add suffixes to numbers to create ordinal numbers.
Suffixes |
Used with… |
In context |
-st |
1 (first) |
Butter came in 1st place. |
-nd |
2 (second) |
Gerald came in 2nd. |
-rd |
3 (third) |
Gourmet was 3rd at the finish line. |
-th |
4+ (fourth +) |
Somebody else’s goat came in 4th. |
Forming a New Noun With a Noun
Add the following suffixes to nouns to form new nouns.
Suffixes |
Root noun |
New noun in context |
-ship |
friend |
Carmen and her goats have a valuable friendship. |
-hood |
child |
Carmen and her sister had a wonderful childhood. |
-cy |
infant |
But Carmen was often sick during her infancy. |
Forming a Noun With an Adjective
Add the following suffixes to adjectives to form nouns.
Suffixes |
Adjective |
New noun in context |
-ity |
absurd |
The absurdity of the situation made Carmen laugh. |
-ness |
red |
The redness of her face got her sister laughing too. |
Add the suffix -self or -selves to pronouns to create reflexive pronouns.
Suffixes |
Used with… |
In context |
-self |
singular subjects (my, your, her, him, it) |
Carmen takes care of the goats by herself. |
-selves |
plural subjects (our, your, them) |
She found them on the side of the road, all by themselves. |
Add the following suffixes to adjectives to create comparative/superlative adjectives.
Root words |
Suffixes |
Used at the end of… |
In context |
happy |
-ier |
comparative adjectives |
This goat seems happier than that one. |
big |
-er |
comparative adjectives |
The goats are bigger than the last time I saw them. |
pretty |
-iest |
superlative adjectives |
This is the prettiest goat I’ve ever seen. |
gentle |
-est |
superlative adjectives |
These are the gentlest goats I’ve ever seen. |
Add the following suffixes to nouns or verbs to create adjectives.
Suffixes |
Root words |
In context |
-able |
remark |
Carmen is a remarkable woman. |
-ist |
tour |
She once hosted a tourist for a month. |
-al |
fiction |
She often falls in love with fictional characters. |
-ent |
differ |
Her lifestyle is different from what she imagined for herself. |
-ive |
protect |
She is very protective of her goats. |
-en |
wood |
She built a wooden barn for them. |
-ful |
cheer |
People describe Carmen as cheerful. |
-less |
fear |
She is also fearless. |
-ic |
hero |
She loves performing heroic actions. |
-ous |
danger |
Her heroism can sometimes be dangerous. |

Adding the suffix -ally to the adjective dramatic changes it to an adverb. Adding the suffix -ily to the noun heart changes it to an adverb.
Add -ly, -ily or -ally to adjectives or nouns to change them into adverbs.
Forming a Noun With a Verb
Add the following suffixes to verbs to change them into nouns.
Suffixes |
Verb |
In context |
-tion |
hibernate |
Goats do not go into hibernation. |
-ation |
memorize |
Carmen takes notes to help with memorization. |
-ant |
assist |
She does not need an assistant. |
-ence |
differ |
When she rescued her goats, Carmen knew she would make a difference in their lives. |
-ance |
perform |
Last night, Carmen’s sister’s performance during her show was amazing. |
-ment |
replace |
One of the dancers was sick. Her sister had to find a replacement. |
-age |
marry |
Carmen once refused to give her hand in marriage. |
-ery |
fool |
She thought getting married this young was foolery. |
-r |
bake |
Carmen’s mother is a baker. |
-er |
work |
She is a hard worker. |
-ism |
critic |
But she has difficulty with criticism. |
-ry |
bake |
She owns a bakery. |
-or |
inherit |
Carmen will be the inheritor. |